package com.itheima.reggie.config;

import com.itheima.reggie.common.JacksonObjectMapper;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.HandlerExceptionResolver;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;

import java.util.List;

/**
 * @author Lff
 * @date 2022/2/25
 */
@Configuration
@Slf4j
public class WebMvcConfig extends WebMvcConfigurationSupport {
    /**
     * 配置静态资源访问
     *
     * @param
     */
    @Override
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        log.info("配置静态资源映射");
        registry.addResourceHandler("/backend/**")
                .addResourceLocations("classpath:/backend/");
        registry.addResourceHandler("/front/**")
                .addResourceLocations("classpath:/front/");
    }

    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        // 创建消息转换器
        MappingJackson2HttpMessageConverter m2jhm = new MappingJackson2HttpMessageConverter();
        //设置映射
        m2jhm.setObjectMapper(new JacksonObjectMapper());
        //添加到集合中0号元素，让他优先使用
        converters.add(0, m2jhm);
    }
}
